It ensures the indication of the system equipment failure for timely fault removing and the normal operation of the system.

为全系统正常运行、系统内设备故障指示以及及时排除故障等提供有力的保障。

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Controls intended to be adjusted during installation or in normal use shall be provided with an indication for the direction of adjustment.

在安装或正常使用期间，打算调节的控制器应有调节方向的标示。

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Objective To investigate the indication and efficacy of trial arterial embolization for the massive gastrointestinal hemorrhage with normal angiographic result.

目的探讨试验性栓塞对造影阴性的动脉性消化道大出血的指征和疗效。

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Illinois Department of Transportation spokesman Mike Claffey said in an email that traffic was lighter than normal on Chicago expressways Tuesday afternoon, an indication that many people took public transportation instead of cars.

NPR: Snow Storm Barrels Through Midwest To Mid-Atlantic